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  1. B

    Consumer Unit cover not on properly

    The upgrade my well unearth some more issues - things that are potentially likely to kill you or burn your property down. In my book, that's a good thing. There really shouldn't be any circuits in domestic properties that aren't protected by a RCD in 2024. I haven't installed one since the early...
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    Consumer Unit cover not on properly

    It's a Legrand enclosure with mainly Legrand MCBs, but a Tenby main switch. I wonder if it originally had a Legrand RCD as the 'main switch', possibly swapped as a cure for intermittent RCD tripping.
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    Consumer unit

    Can't see clearly in your pics, but it appears that the wrong type of gland has been used and that gland is too small for the hole in the CU that it's in.
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    Consumer unit

    In need of attention, or at least closer inspection, 'badly terminated' IMHO. What is this cable for?
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    Two way light switch with 2 cores!

    Never seems to have caught on in the UK, but you can have as many switches as you like on a single T&E , common to all switches, to control a single light, if you use an impulse relay and retractive switches.
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    The client is always right... after some advice.

    Welcome to the world of dealing with the general public. Nothing in your post surprises me in the slightest.
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    Cutout seal cut off

    If you have a Smart meter, the supply company will know if the supply has been interrupted. In all other cases, they will not. I have never known of anyone getting into any kind of trouble for removing a cut out seal, largely because it is practically impossible to prove who removed it.
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    Zanussi electrical oven started tripping the RCD

    The wall connection most definitely does NOT look OK. The cable clamp must be clamping the black outer sheath of the cable, not the three individual wires. The burn marks on the wires may just be discolouration caused by hot gasses leaking through from the oven. If the insulation is still...
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    UK Relevance of Table 41.3 where Additional Protection is present?

    Every RFC with a spur.
  10. B

    Unbalanced final ring

    I have an old Pichill 180A stick arc welder that gets dragged out occasionally for some heavy duty welding. On a few occasions, when it's been out and I've been bored, I've connected the odd metre or two of T&E or singles between its clamps just to see what happens at various currents. General...
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    Unbalanced final ring

    Only a small village, and only one more property 'down the line', but that's probably happened at sometime in the past. Insulation on the wire was properly bubbled up and blackened all along, but removed and replaced by a 10mm2 as part of the rewire/extension I was doing at the time.
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    Unbalanced final ring

    In fifty years, the only cable I've seen damaged by excess current was a 6mm2 earth bond to the mains water pipe on a TNC-S system. The first glimpse I caught of it, under a floorboard in the bathroom, I made some mutterings about plumbers and their blowlamps but when more boards were lifted I...
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    3-phase installation

    With what fuse rating per phase? If it's only 25A, keeping the max power to about the same as before, this will cause its own problems.
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    UK Max distance cable can run overhead without support

    These are the figures I remember from somewhere in the regs, going back to, and including, the 14th edition. The 3.5m minimum height is for areas not accessible to vehicular traffic. IIRC, the minimum height for where vehicles can access is 4.8m, increasing to 5.1m over crossroads. Note that the...
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    2024 TV and Movies Thread

    Remember the scene in A Clockwork Orange when Alex is forced to watch the film. Nothing less than that would make me watch BB, Love Island, Made in Chelsea or a few other programs in that genre.
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    Wi fi/ internet upgrade

    54 volts! Didn't realize that POE voltage was as high as this.
  17. B

    EDF Economy 9 Off Peak times-?

    The 'peak' switch for the cylinder was only intended to be used if you ran out of hot water during the day, enabling you to heat water in the top part of the cylinder only, albeit at a more expensive rate than that heated on 'off peak'. If the fuse box for the off peak circuits is left...
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    10mm LSF cable for shower

    Being pedantic, the Crabtree 50A cooker switch is a 4500/1, which has 'cooker' printed on it. For a shower, you require the 4500, which is the same, but without the 'cooker' label. The 4500/3 has a neon indicator built into it, which you should also avoid, since it encourages users to switch the...
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    Wi fi/ internet upgrade

    I've spent what spare time I could find all week trying to get my head around all the suggestions made so far and trying to understand the specs of the suggested bits. Thanks very much. So, if I fit a Netgear GS108LP as switch C on my diagram and a Ubiquiti USW-Flex5 as switch B, then B will be...
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    dangers associated with wiring earth to neutral in the consumer unit?

    The "all" here is important. TNC-S regs on the consumer side of the installation, in the UK, are intended to ensure that ALL metal in reach that could have a relatively low resistance to earth is indeed dragged up to near the live voltage. The idea being, that like the bird perching unharmed on...

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